#57BEEF#57BEEF

#57BEEF is a light, moderate cyan. Relative luminance 0.451; OKLCH L 76.0% C 0.118 H 231.9°. Best body text is #000000 at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#57BEEF
RGB	rgb(87, 190, 239)
HSL	hsl(199, 83%, 64%)
HSV	hsv(199, 64%, 94%)
CMYK	cmyk(63.6%, 20.5%, 0%, 6.3%)
CIE-LAB	lab(72.95, -15.31, -33.19)
CIE-LCH	lch(72.95, 36.55, 245.24°)
OKLab	oklab(76.02% -0.0729 -0.0929)
OKLCH	oklch(76.02% 0.118 231.9)
XYZ	xyz(37.9178, 45.0812, 88.3479)
Luminance	0.4508 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BEEF #EF8857

analogous

#57EFD4 #57BEEF #5772EF

triadic

#57BEEF #EF57BE #BEEF57

tetradic

#57BEEF #D457EF #EF8857 #72EF57

square

#57BEEF #D457EF #EF8857 #72EF57

split-complementary

#57BEEF #EF5772 #EFD457

monochromatic

#1284BA #1FA8EA #57BEEF #8FD4F4 #C7E9FA

Accessibility & contrast

On white

2.10

#57BEEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.02

#57BEEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BEEF

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BEEF	#FFFFFF	#000000	##000000
##57BEEF	1.00	2.10	10.02	10.02
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.02	21.00	1.00	1.00
##000000	10.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BCF1

Deuteranopia (green-blind)

#91ACEE

Tritanopia (blue-blind)

#00CBCE

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #57beef;
/* rgb */ color: rgb(87, 190, 239);
/* oklch */ color: oklch(76.0% 0.118 231.9);

Tailwind

colors: {
  custom: {
    50: '#95d1f4',
    500: '#57beef',
    950: '#000000',
  },
}

SCSS

$custom: #57beef;
$custom-light: #95d1f4;
$custom-dark: #000000;

JSON

{
  "hex": "#57beef",
  "rgb": {
    "r": 87,
    "g": 190,
    "b": 239
  },
  "hsl": {
    "h": 199.342,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.76022,
    "c": 0.11808,
    "h": 231.9
  },
  "luminance": 0.45085
}

Semantic roles & 50–950 ramp

primary

#57BEEF

secondary

#ECC7B6

accent

#4C06DF

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1417

muted

#7E8285

Preview Lab

Preview with #57BEEF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →